Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not merely components; they stand as a testament to the pinnacle of engineering excellence, representing a seamless blend of cutting-edge technology and hydraulic innovation. Our valves integrate pressure, flow, and directional control into one unified, cohesive entity, delivering exceptional performance and steadfast reliability across all applications. Crafted with precision, these innovative valves are composed of three integral functional modules: connecting blocks, directional valves, and end plates, all meticulously engineered for flawless integration into elite hydraulic systems, indispensable for premier engineering machinery. They expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Among their standout features are a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, ensuring unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario. Conversely, the HLPSV valves are meticulously designed for variable pump systems. While they may exhibit a slightly slower response, HLPSV valves excel with their remarkable energy-saving capabilities, making them the optimal choice when efficiency is paramount. These valves, with their state-of-the-art engineering and eco-friendly design, emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable precision, reliability, and energy efficiency into one seamless, comprehensive package.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - This resilient stalwart of performance reliability delivers consistent fluid power, ensuring your system operates smoothly and efficiently at all times.;
HLPSV: Variable Displacement Pump - Renowned for its adaptability and flexibility, this pump meets diverse operational demands with exceptional ease and efficiency.;
(2) Connection Block Ports P & R Specifications - The intersection of precision and reliability, creating a robust operational backbone::
2-G3/8; Designed for compact efficiency, it facilitates smooth, unrestricted flow operations.
3-G1/2; Engineered for robustness, offering a dependable grounding that maintains your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, it seamlessly enhances control and system integration.;
5, 55-G1; Perfect for high-demand applications, it ensures consistently reliable outcomes with outstanding flow rates.;
6-G1 1/4; Unmatched in performance, this component is crafted to excel in demanding environments with ease.;
(3) Additional Components and Specifications - Elevating system capacities to unprecedented levels::
C,Standard Type - A pillar of reliability, precisely engineered to serve core operational requisites.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, greatly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions tailored to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions that align precisely with your operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control with precise execution:C - Introducing our innovative no magnetic ball valve; F - Experience unparalleled control with our normally open magnetic ball valve, designed to energize pump pressurization when powered and facilitate seamless unloading when power is disconnected; D - Discover the convenience of our normally closed magnetic ball valve, which allows for efficient pump unloading when powered and smooth pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each option meticulously engineered for precise control and functionality.
(14) Operation modes: Discover a diverse array of meticulously crafted operation modes, tailored for comprehensive and precise control: A(1,2), which offers manual operation with an optional long or short handle; E, featuring electric proportional control; EA(1,2), a sophisticated fusion of electric proportional control and manual operation; D, with electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, allowing manual friction positioning with a long handle; H, embodying pure hydraulic control with pilot oil ports aligned with oil ports A and B; and F, providing pure hydraulic control with perpendicular pilot oil ports.
(15) Ancillary block port sizes: Enhance your systems with our exquisitely engineered port size solutions, designed for perfect adaptability and seamless integration. Choose from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is meticulously tailored to fulfill your precise needs with exceptional efficiency and unmatched flexibility.
(16) End plate options: Immerse yourself in our extraordinary suite of precisely tailored end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Elevate your functionality with E2, introducing an additional port Y for enhanced performance. Explore the groundbreaking E3 innovation, integrating a 2-position 3-way magnetic ball valve, which propels your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4 mirrors E1 with distinct internal pilot oil discharge and a sealed port T. E5 reflects E2's excellence, now augmented with internal discharge capabilities. Step confidently into advanced engineering with E6, echoing E3's visionary design. Each variant promises superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our extensive range of expertly tailored solutions. Opt for G12-12VDC, ideal for specialized applications that demand exceptional safety and compatibility.G24: The epitome of steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, engineered for peak efficiency and adaptability across diverse challenging environments.12: A symbol of precision and reliability, expertly tailored for seamless integration into your systems.bb621436: The code of excellence, establishing a benchmark in our pioneering design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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